Jimmy Fallon & The Roots Ask 'What Does The Fox Say?' With Ylvis

Right after Jimmy Kimmel hashed it out with Kanye West, Jimmy Fallon and The Roots danced around in fox costumes and sang the viral hit "The Fox" with Ylvis, the Norwegian comedy duo who inspired us all to ask what the fox says this summer.

Our guess? Fallon had a more fun night.

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